Wireshark · Wireshark-dev: Re: [Wireshark-dev] Compiling a Dissector

[wsgd <wsgd@xxxxxxx>]

Try to install on target computer :
http://www.microsoft.com/downloads/details.aspx?familyid=200b2fd9-ae1a-4a14-984d-389c36f85647&displaylang=en
or (if your VS2005 is not SP1)
http://www.microsoft.com/downloads/details.aspx?familyid=32bc1bee-a3f9-4c13-9c99-220b62a191ee&displaylang=en

Or build with VS2008 (because wireshark 1.2.X is build with VS2008)


Olivier

Jonathan Walker a écrit :
> Thanks for the reply, Stephen (and Jaap).
>
> The reason I was asking is because I recently developed a dissector that would successfully compile, provided the necessary wireshark libraries.  However, it would only load in Wireshark on machines with VS2005 installed (which is the version of VS I used to build the Wireshark source, and the dissector if it uses the lib as provided in config.nmake (?) ).  I have been wondering why a dissector requires libraries from a specific VS in the first place?  It doesn't seem necessary.  Then again, I probably don't have as deep an understanding of the source as the developers.  Or, maybe it's just an issue with compatibility between different Microsoft VS versions?
>
> Thanks,
> J. Walker
>
> -----Original Message-----
> From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Stephen Fisher
> Sent: Tuesday, May 18, 2010 7:12 PM
> To: Developer support list for Wireshark
> Subject: Re: [Wireshark-dev] Compiling a Dissector
>
> On Tue, May 18, 2010 at 09:03:39AM -0700, Jonathan Walker wrote:
>
>   
> > Is this to say that there is no possible way to compile a dissector
> > that can successfully run with Wireshark, by simply compiling it with
> > all the required libraries provided by the previously-built Wireshark?
> > In other words, can a dissector be updated and re-compiled with the
> > same libraries from a previously-built Wireshark? (only need to build
> > wireshark from source once).
> >     
>
> The suggestion you quoted is aimed at making sure that you can
> successfully compile Wireshark in your environment before modifying it.
> That way, you know that any problems you encounter are from what has
> been modified.
>
> However, you did bring up some good questions.  The only "supported"
> (meaning we'll help you make sure it works) way to build dissectors is
> to compile them with Wireshark from source and use them in that same
> build of Wireshark.
>
> You can usually take a compiled plug-in and drop it into another
> installation (same operating system and Wireshark version) and have it
> work.  Sometimes this even works between different minor revisions of
> Wireshark, but it is *not* guaranteed to work - it could break with any
> new version.  This breakage is usually caused by changes to internal
> Wireshark dissector structure variables.  We don't guarantee that the
> API (functions used in source code) or ABI (compiled files) will remain
> the same and functional between Wireshark versions or even different SVN
> revisions of developer trees of Wireshark.
>
> If you are developing a plug-in, you can recompile just the plug-in
> while in the source tree of the initially built Wireshark code and then
> reinstall it.  If it is a built-in dissector (which is preferred,
> especially if you're going to share it with everyone for inclusion in
> Wireshark source code), then you need to recompile at least part of the
> Wireshark tree.  Some of the developers here have ways to just recompile
> parts of the source tree to speed things up if you're just changing a
> dissector, but I just recompile the whole thing every time in case I
> changed something outside of a dissector.
>
>
> --
> Steve
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